"It’s one of my all-time favourite songs"
40 years after the Black Sabbath frontman notoriously bit the head off a bat during a gig
The single also features contributions from Red Hot Chili Peppers’ Chad Smith, Metallica’s Robert Trujillo, Zakk Wylde, and producer Andrew Watt
"I am definitely feeling the love," he wrote online
The Black Sabbath frontman recently underwent surgery that would "determine the rest of his life"
The Black Sabbath frontman has had multiple health issues in recent years
The Black Sabbath icon also shared some advice with the Doncaster rock star
"This isn't music, it's a load of heavy metal being smashed together"
The rock legend is dealing with some lasting damage from a quad bike accident he had in 2003
"He's busy in the studio" she said of the impending album